Finding the Fourth Proportional to 2,042.66, 2,819.52 and 1,203.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.66 : 2,819.52 = 1,203.30 : x
2. Step 2: Convert to fraction form
   2,042.66/2,819.52 = 1,203.30/x
3. Step 3: Cross multiply
   2,042.66x = 2,819.52 × 1,203.30
4. Step 4: Simplify right side
   2,042.66x = 3,392,728.42
5. Step 5: Solve for x
   x = 3,392,728.42/2,042.66
6. Step 6: Final answer
   x = 1,660.94